英语
教案 unit4 earthquakes period 4 新人教版必修1 the general idea of this period： this period aims at training students’ two skills—understanding general idea and getting detailed information by getting familiar with tones and intonation in spoken english and writing an well-organized letter about how to solve a specific problem.students can improve these skills by listening，writing and finishing the relative exercises.also in this period students can meet the theme of this unit again. teaching aims： 1.make sure the students know the usage of tones and intonation in spoken english and grasp the
